Full list of all 43 DAVE THE DIVER achievements. It takes around 15-20 hours to unlock all of the achievements in the base game on Windows.
The base game contains 15 achievements, and there is 1 DLC pack containing 28 achievements.
Discovered the under-sea village.
Caught 10 fish with a Sniper Rifle.
Entered the Deep Sea for the first time.
Caught 20 fish with melee weapons.
Completed the Dolphin's request.
Researched 5 new dishes
Picked up 100 items.
Reached Bronze Level in Cooksta.
Caught first shark.
First time bringing Dave back from the brink of death.
Fixed the Sushi Restaurant.
Completed the gun tutorial.
Made first equipment upgrade.
Enhanced 5 dishes.
Bought First Interior Item.
Discovered the Glacier Passage.
Got to know Momo a little better.
Entered the Glacier Passage for the first time.
Mima's restaurant opened.
Gumo's seeweed farm opened.
Duwa's workshop opened.
Took 10 photos at Photo Spots.
Achieved Platinum rank in Cooksta.
Caught 300 fish.
Watched the ending credits.
Collected all the blueprints.
Enhanced gun 3 times.
Captured all of the Sea People murals.
Fed cat 20 times.
Sold 200 items at workshop.
Installed sprinklers in the garden.
Raised 5 GYAO!s.
Captured 5 FishMon.
Fice field expanded to maximum.
Vegetable farm expanded to maximum.
Trained employees to level 20.
Achieved Diamond rank in Cooksta.
Researched 30 new dishes.
Bancho Sushi formed a branch restaurant.